Results for "Science -- History"
Letter from Charles D. Walcott to Captain Roger Welles to January 8, 1918
- Date: January 8, 1918 20th century
- Creator: Walcott, Charles D (Charles Doolittle) 1850-1927
- Creator: Walcott, Charles D (Charles Doolittle) 1850-1927
- Smithsonian Legal Document
An Act To amend the National Labor Relations Act, to provide additional facilities for the mediation of labor disputes affecting commerce, to equalize legal responsibilities of labor organizations and employers, and for other purposes
- Date: 1948 06/23/1947
- Creator: 80th Congress, Sess. 1, 1947
- Creator: 80th Congress, Sess. 1, 1947
George P. Merrill Looking at Physical and Chemical Geology Exhibit
- Date: February 11, 1927 1927
- Creator: Unknown
- Creator: Unknown
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Letter from Herbert G. Deignan to Alexander Wetmore, December 7,1944
- Date: December 7, 1944
- Creator: Deignan, H. G (Herbert Girton) 1906-
- Creator: Deignan, H. G (Herbert Girton) 1906-
News Broadcast of Secretary Abbot's Solar Invention
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Letter from William deC. Ravenel to Franklin D. Roosevelt, July 27, 1920
- Date: July 27, 1920 20th century
- Creator: Ravenel, William deC
- Creator: Ravenel, William deC
Sec. Abbot and His Solar Powered Invention
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Publication Room Staff, February 1915
- Date: 1915
- Creator: Unknown
- Creator: Unknown
Birthday card for Helena M. Weiss
- Date: c. 1930s or 1940s
- Creator: United States National Museum Dept. of Geology
- Creator: United States National Museum Dept. of Geology
